Adjustable wire brush



A. WRIGHT.

ADJUSTABLE WIRE BRUSH.

APPLICATION FILED 0CT.27, 1920.

1,382,042, Patented June 21, 1921.

ASA WEIGHT, .015 LON G BEACH,

entrus'rnnnr. wrn'n BRUSH.

Specification of Letters Patent. Pat t d Ju 21 1921 Application 'fl1ed'0ctober 27, 1920. Serial No. 419,884.

I To all 'wko'nt may concern:

Be it known that I, ASA WRIGHT, a cit1- zen of the United States, residing at Lon Beach, in the'county of Los Angeles an State of California, have invented a new and useful Improvement in an Adjustable Wire Brush, of which the following is a specification.

This invention relates to a wire brush hav- 7 ing the bristles secured to a head in combination with a socket handle, so arranged that the projection of the bristles beyond the socket can'be adjusted. I

One common use of wirebrushes is for cleaning paint, grease, and other forelgn f matter from metallic surfaces to pre are them forsoldering, brazing, and the ike. Such use laces a great strain on the bristles at the1r points of support by the handles or heads, and with a relatively long bristle between the point of support an free end, the brush bristles spread requlrmg a great efl'ort to clean the surface and causing many bristles to break ofi. Brushes of th1s character in general use comprise the ordinary handle with long bristles attached thereto. It has been the common practice for users of such brushes to place" a band about the bristle body, midway between the head and free ends of the bristles so as to give greater rigidity to the bristles and decrease spreading. The band is generally metallic and held against slipping by securing it to the head or handle. fter the bristles have worn down, the band is removed and the brush used in its original condition. It is obvious that time and labor are required to place and remove the band, that when the.

bristles are finally worn down, the handle must be discarded alon with the bristles.

It is the primary ob ect of this invention to overcome these objections and to provide a brush structure such that thedesired length of bristles may project beyond the support for the most eflicient use, and that the brisand corresponding accomplishments are obtalned by means of the embodiment of my invention Illustrated in the accompanying drawlng, in which:

Figure 1 is an elevation brush in assembled form; tron as seen on the line 2.2 of-Fig. 1; Fig. 3 1s a sect1on as seen on the line 3-3 of Fig. 2; and Fig. 4 is a fragmenta section on an enlarged scale as seen on the ins 4-4 of Fig. 3. I

The brush comprises a hollow handle and socket A, a head and bristles B and a detachable shank C. The head and shank are secured to each other in assembling the brush and disposed within the handle.

of the complete The wire bristles 5 are clamped in a head.

or carrier having a band portion 6' clamping the bristles and an extension 7. The extens1on 7 is preferably formed with'fingers 8. The fingers are adapted to be bent and inserted through a slot in the head 9 of the shank. The portion 10 of the shank extends 1nto the han 1e proper of the brush and is provided with a row of apertures 11.

The handle comprises a socket portion 12, in WhlCh thebristles and head are disposed. The handle portion 13 may be of any shape sultable for convenient manipulation of the brush. At the juncture of the handle and socket 1s an opening to receive, a screw 14:.

Fig. 2 is a sec- This opening is so placed that the apertures raised portion 15 about the opening so that threads may be cut therein. The head and bristles are attached to the shank, and they are then inserted in the handle. .The bristles are adjusted to project the desired amount beyond the mouth of the socket, with one of the apertures 11 in registration with the opening in the handle. A screw 14 forming a lockmg pin is then placed in position securely locking the shank, head and bristles in position. The'brush is now ready for use, and as it wears down toward the socket, the bristles may be further pro'ected by removing screw 14 and bringing t e shank to a osition such that an aperture registers w1th the opening.

When the bristles have been worn down close to the head, the shank, carrier, and bristles are removed from the handle. The fingers 8 are then bent so that the carrier may be detached from the shank, and a new carrier and bristles secured thereto. It is obvious that the handle and shank may be retained as permanent parts of the structure, while the carrier and bristles may .be renewed. Thus, renewal of the brush is inexpensive.

What I claim is: 1. A brush structure comprising the combination of a socket having an aperture, a

detachable head slidably mounted in said socket, said head having tures for registration with the aperture of said socket, a bristle carrier detachably secured to said head, and a. pin for insertion in registering apertures whereby the projection of the brlstles may be adjusted.

a series of aper-.

cured to said head by passing the fingers through an opening therein and mounted within said handle, and means to adjustably secure said shank to said head, whereby to project the bristles as the brush wears.

In witness that I claim the foregoing I have hereunto subscribed my name this 12th day of October, 1920. r

I ASA WRIGHT. 

